diff --git a/src/java/com/threerings/miso/data/SimpleMisoSceneModel.java b/src/java/com/threerings/miso/data/SimpleMisoSceneModel.java
index 5834701c..b4949457 100644
--- a/src/java/com/threerings/miso/data/SimpleMisoSceneModel.java
+++ b/src/java/com/threerings/miso/data/SimpleMisoSceneModel.java
@@ -196,7 +196,10 @@ public class SimpleMisoSceneModel extends MisoSceneModel
         model.objectTileIds = objectTileIds.clone();
         model.objectXs = objectXs.clone();
         model.objectYs = objectYs.clone();
-        model.objectInfo = objectInfo.clone();
+        model.objectInfo = new ObjectInfo[objectInfo.length];
+        for (int ii = 0; ii < objectInfo.length; ii++) {
+            model.objectInfo[ii] = objectInfo[ii].clone();
+        }
         return model;
     }
 
diff --git a/src/java/com/threerings/miso/data/SparseMisoSceneModel.java b/src/java/com/threerings/miso/data/SparseMisoSceneModel.java
index 10e87ee1..79a706a7 100644
--- a/src/java/com/threerings/miso/data/SparseMisoSceneModel.java
+++ b/src/java/com/threerings/miso/data/SparseMisoSceneModel.java
@@ -233,7 +233,10 @@ public class SparseMisoSceneModel extends MisoSceneModel
                 section.objectTileIds = objectTileIds.clone();
                 section.objectXs = objectXs.clone();
                 section.objectYs = objectYs.clone();
-                section.objectInfo = objectInfo.clone();
+                section.objectInfo = new ObjectInfo[objectInfo.length];
+                for (int ii = 0; ii < objectInfo.length; ii++) {
+                    section.objectInfo[ii] = objectInfo[ii].clone();
+                }
                 return section;
             } catch (CloneNotSupportedException cnse) {
                 throw new AssertionError(cnse);